OpenEtymology

unroll

UKʌnˈrəʊlUSʌnˈroʊl

Meaning

1v

to open and straighten something that has been rolled up, or to become open and straight in this way

2v

(of a plan or series of events) to happen or develop in a particular way

Structure

word structure
1
un
reversal
+
2
roll
to move by turning over and over

Usage

she carefully unrolled the ancient parchment to examine the map.

the marketing campaign will unroll over the next three months.

please unroll the sleeping bag and lay it flat on the ground.

Etymology

The word 'unroll' is a straightforward English formation combining the native Germanic reversative prefix 'un-' with the verb 'roll', which entered English via Old French from Latin. The Latin root rota, meaning "wheel," is traceable to the Proto-Indo-European root ret-, meaning "to run, to roll." The literal action of reversing the state of being rolled up provides a clear, logical path to the modern meaning. This transparent construction makes the word's sense immediately accessible, as the prefix directly negates or reverses the action of the base verb.

Analysis

Structure
un (reversal) + roll (to move by turning over and over)=unreversal+rollto move by turning over and over

- un: a prefix of germanic origin (old english un-, on-) meaning "not" or "reversal of an action." in this word, it functions as a reversative prefix. - roll: from old french roller, from vulgar latin rotulare, from latin rotula, a diminutive of rota ("wheel"). it functions as the base verb meaning to move by turning over and over.

Unroll Meaning & Word Parts (un + roll) | OpenEtymology